Use these options to specify how the date range returns results. "Exact" means that the start and end dates of descriptions returned must fall entirely within the date range entered. "Overlapping" means that any description whose start or end dates touch or overlap the target date range will be returned.

Fonds comprises a history of Nova Scotian physicians compiled by Alexander Mackenzie in 1950. There is also a scrapbook, correspondence, papers, published articles, and a history of Camp Hill Hospital in Halifax.

Fonds consists of Oscar Donovan's photographs, newspaper clippings, mementos, and correspondence from World War One, including materials related to the Dalhousie No. 7 Overseas Stationary Hospital, with which his wife served.